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Finding the Fourth Proportional to 254,245.50, 350,858.52 and 139,524.80

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Solution

The fourth proportional to 254,245.50, 350,858.52 and 139,524.80 is: 192,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,245.50 : 350,858.52 = 139,524.80 : x
  2. Step 2: Convert to fraction form
    254,245.50/350,858.52 = 139,524.80/x
  3. Step 3: Cross multiply
    254,245.50x = 350,858.52 × 139,524.80
  4. Step 4: Simplify right side
    254,245.50x = 48,953,463,077.00
  5. Step 5: Solve for x
    x = 48,953,463,077.00/254,245.50
  6. Step 6: Final answer
    x = 192,544.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.